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Finding the Fourth Proportional to 568,070.16, 851,507.09 and 188,889.02

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Solution

The fourth proportional to 568,070.16, 851,507.09 and 188,889.02 is: 283,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,070.16 : 851,507.09 = 188,889.02 : x
  2. Step 2: Convert to fraction form
    568,070.16/851,507.09 = 188,889.02/x
  3. Step 3: Cross multiply
    568,070.16x = 851,507.09 × 188,889.02
  4. Step 4: Simplify right side
    568,070.16x = 160,840,334,551.17
  5. Step 5: Solve for x
    x = 160,840,334,551.17/568,070.16
  6. Step 6: Final answer
    x = 283,134.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.